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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a source of doubt
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a source of doubt" is correct and usable in written English.
It can be used when discussing something that causes uncertainty or skepticism about a situation or idea. Example: "The lack of evidence presented in the report became a source of doubt for the committee members."
✓ Grammatically correct
BMC Medical Informatics and Decision Making
The Economist
The New York Times
Wikipedia
University of Chicago
SEP
University of California, Berkeley
The Washington Post
The Guardian - Tech
Princeton University
BBC
Vice
The Guardian - Arts
The Washington Post
Forbes
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
The graceful evolution of an Open Source product as well as its durability is also a source of doubt.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
For one thing, it is a source of public doubts about Labour's commitment to reducing the budget deficit, a task most voters say is necessary.
News & Media
It is that tracery of unspoken taboo and inhibition that some, to the political left and to the right, now depict as the greatest barrier to normalcy, a source of self-doubt and even self-loathing.
News & Media
In 1846 George Eliot published an English translation of Leben Jesu which became a source of religious doubts for Froude and many of his contemporaries.
Wiki
But an underlying source of doubt about the bailout stems from who is asking for it.
News & Media
The words amend or alter, form an equal source of doubt & altercation.
Academia
We now turn to a second source of doubts about the validity of historical claims to reparations.
Science
Disagreeing with others can be a source of stress, confusion, and doubt; the urge to conform is strong for those who try to stand alone.
He mocks the "cosmopolitan orientation" of liberals who preach solidarity with "strangers on the opposite of side of the world". (Not surprisingly, Anton wrote an essay last year in which he called diversity "a source of weakness"). He casts doubt on long-held American convictions about universal values and democracy.
News & Media
It's a question that's amplified to a worldwide scale when he's confronted by cameras, sees himself on television, and is recognized and hailed as a public hero while enduring spasms of self-questioning and self-doubt that are sparked by an external — and equally vast — source of doubt: the federal government.
News & Media
What begins as clandestine entertainment for Irene Westcott soon transforms into a source of insecurity and self-doubt.
News & Media
Expert writing Tips
Best practice
When using "a source of doubt", ensure the context clearly identifies what is causing the doubt. This helps to avoid ambiguity and strengthens your argument.
Common error
Avoid using "a source of doubt" repeatedly within a short span. This can make your writing sound monotonous. Instead, vary your language with synonyms like "reason for skepticism" or "cause for uncertainty".
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a source of doubt" functions as a noun phrase, typically acting as a subject complement or an object in a sentence. It identifies something that instills uncertainty or skepticism. As Ludwig AI points out, the phrase is commonly used and grammatically correct.
Frequent in
News & Media
35%
Science
25%
Academia
20%
Less common in
Wiki
10%
Formal & Business
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "a source of doubt" is a grammatically sound and commonly used phrase that identifies the origin of uncertainty or skepticism. As affirmed by Ludwig AI, it's applicable across diverse contexts, although most prevalent in news, scientific, and academic writing. To maintain writing quality, avoid overuse and consider alternatives like "a reason for skepticism" or "a cause for concern". While doubt often carries a negative nuance, recognizing "a source of doubt" can prompt critical assessment and deeper exploration. Remember to clearly define the cause of doubt to enhance clarity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a reason for skepticism
Focuses on the justification behind the doubt.
a cause for uncertainty
Highlights the origin of the uncertainty.
an element of skepticism
Emphasizes that doubt is just one component of the situation.
a seed of suspicion
Suggests a subtle or initial stage of doubt.
a ground for questioning
Indicates a basis for inquiry and potential doubt.
a basis for disbelief
Emphasizes a lack of faith or acceptance.
a point of contention
Highlights that the issue is disputed.
a matter of speculation
Suggests the topic is open to conjecture.
a nagging uncertainty
Highlights the persistence and troubling nature of the uncertainty.
an area of ambiguity
Focuses on the lack of clarity or precision.
FAQs
How can I use "a source of doubt" in a sentence?
Use "a source of doubt" to indicate something that causes uncertainty or skepticism. For example, "The conflicting testimonies were "a source of doubt" for the jury".
What can I say instead of "a source of doubt"?
You can use alternatives like "a cause for concern", "a reason for skepticism", or "a point of uncertainty" depending on the specific context.
What's the difference between "a source of doubt" and "a cause for concern"?
"A source of doubt" implies uncertainty or disbelief, while "a cause for concern" indicates something that raises worry or anxiety. The former relates to belief, and the latter to potential negative outcomes.
Is it always negative to have "a source of doubt"?
Not necessarily. While doubt often carries a negative connotation, having ""a source of doubt"" can also lead to critical thinking and thorough investigation, which can ultimately be beneficial.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested